Q61. Which device is used to create a digital copy of a physical document?
a) Printer
b) Monitor
c) Scanner
d) Speaker
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Correct Answer: c) Scanner
Explanation: A scanner is used to create digital copies of physical documents and images by converting them into electronic formats.
Q62. What does ‘application software’ enable a computer to do?
a) Manage its hardware components
b) Perform specific tasks for users
c) Connect to the internet
d) Display graphics
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Correct Answer: b) Perform specific tasks for users
Explanation: Application software enables a computer to perform specific tasks or applications, such as editing documents, creating presentations, or browsing the web.
Q63. What is a common example of an ‘output device’?
a) Keyboard
b) Scanner
c) Monitor
d) Mouse
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Correct Answer: c) Monitor
Explanation: The monitor is a common output device used to display visual information from the computer.
Q64. What is the function of ‘cache memory’?
a) To store long-term data
b) To provide quick access to frequently used data
c) To connect external devices
d) To manage system resources
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Correct Answer: b) To provide quick access to frequently used data
Explanation: Cache memory provides high-speed access to frequently used data, improving the overall performance of the computer.
Q65. What is the purpose of an operating system’s ‘task manager’?
a) To manage running applications and system performance
b) To store files and documents
c) To connect to the internet
d) To print documents
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Correct Answer: a) To manage running applications and system performance
Explanation: The task manager allows users to view and manage running applications, monitor system performance, and terminate unresponsive programs.
Q66. What does ‘hardware’ NOT include?
a) CPU
b) RAM
c) Operating system
d) Hard drive
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Correct Answer: c) Operating system
Explanation: Hardware refers to the physical components of a computer system, while the operating system is a type of software.
Q67. What is a common use of a ‘tablet’?
a) To print documents
b) To create digital artwork
c) To store large amounts of data
d) To manage network connections
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Correct Answer: b) To create digital artwork
Explanation: Tablets are often used for various tasks, including creating digital artwork, reading e-books, and browsing the web.
Q68. Which device is used to output audio from a computer?
a) Monitor
b) Printer
c) Speaker
d) Scanner
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Correct Answer: c) Speaker
Explanation: Speakers are output devices used to produce audio from a computer, allowing users to hear sound effects, music, and other audio content.
Q69. What does the term ‘system software’ encompass?
a) Programs designed for specific tasks
b) Utilities for system maintenance
c) Operating systems and system management software
d) Applications for word processing
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Correct Answer: c) Operating systems and system management software
Explanation: System software includes operating systems and other software that manages and controls hardware, providing a foundation for running application software.
Q70. What is an example of ‘firmware’?
a) Windows OS
b) BIOS
c) Adobe Acrobat
d) Excel
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Correct Answer: b) BIOS
Explanation: BIOS (Basic Input/Output System) is an example of firmware that is embedded into the computer’s motherboard to initialize hardware and start the operating system.